Flight OddsWN1521 SJC → BUR
Southwest Airlines · San Jose, CA to Burbank, CA · 49 flights observed, 2025-08-05 to 2025-10-01 · 296 mi
WN1521 covers more than one route in the data window — the stats below are for SJC → BUR, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
78%
Median delay
-7 min
90th percentile
+30 min
Cancellation rate
0%
How often is WN1521 on time?
Across 49 flights on SJC → BUR from 2025-08-05 to 2025-10-01, WN1521 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +30 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 38 | 78% |
| 16-30 min | 6 | 12% |
| 31-60 min | 2 | 4% |
| 61-120 min | 3 | 6% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 22 | 68% | +12 min |
| 2025-09 | 26 | 85% | -4 min |
| 2025-10 | 1 | 100% | -17 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 75% |
| Tue | 9 | 78% |
| Wed | 9 | 100% |
| Thu | 8 | 63% |
| Fri | 8 | 50% |
| Sat | No data | — |
| Sun | 7 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…